# Optical Instruments I: Optical Element

## Homework Statement

In the 7 diagrams below, the solid arrow represents the object and the dashed arrow the image. The rectangle shows the position of an SINGLE OPTICAL ELEMENT. Match each diagram with the appropriate optical element.

1)http://img190.imageshack.us/img190/5176/92585723.gif [Broken]
2)http://img200.imageshack.us/img200/2803/55254956.gif [Broken]
3)http://img200.imageshack.us/img200/359/25673305.gif [Broken]
4)http://img23.imageshack.us/img23/2958/88364885.gif [Broken]
5)http://img190.imageshack.us/img190/4506/39696062.gif [Broken]
6)http://img190.imageshack.us/img190/4718/81323910.gif [Broken]
7)http://img190.imageshack.us/img190/7931/72002101.gif [Broken]

My options are:
Plane Mirror
Concave Mirror
Convex Mirror
Converging Lens
Diverging Lens

Ray Diagrams

## The Attempt at a Solution

1) Concave Mirror
2) Plane Mirror
3) Diverging Lens
4) Converging Lens
5) Concave Mirror
6) Converging Lens
7) Converging Lens

I can't figure out where I'm making my mistake. Can anyone help me?

Last edited by a moderator:

alphysicist
Homework Helper
Hi OsDaJu,

## Homework Statement

In the 7 diagrams below, the solid arrow represents the object and the dashed arrow the image. The rectangle shows the position of an SINGLE OPTICAL ELEMENT. Match each diagram with the appropriate optical element.

1)http://img190.imageshack.us/img190/5176/92585723.gif [Broken]
2)http://img200.imageshack.us/img200/2803/55254956.gif [Broken]
3)http://img200.imageshack.us/img200/359/25673305.gif [Broken]
4)http://img23.imageshack.us/img23/2958/88364885.gif [Broken]
5)http://img190.imageshack.us/img190/4506/39696062.gif [Broken]
6)http://img190.imageshack.us/img190/4718/81323910.gif [Broken]
7)http://img190.imageshack.us/img190/7931/72002101.gif [Broken]

My options are:
Plane Mirror
Concave Mirror
Convex Mirror
Converging Lens
Diverging Lens

Ray Diagrams

## The Attempt at a Solution

1) Concave Mirror
2) Plane Mirror
3) Diverging Lens
4) Converging Lens
5) Concave Mirror
6) Converging Lens
7) Converging Lens

I can't figure out where I'm making my mistake. Can anyone help me?

I have not looked at all of them closely, but notice in #4 that the image is not inverted. Does that help?

Last edited by a moderator:
Thank you, I missed that one.

alphysicist
Homework Helper